Rim por motor-car wheels



R. L. MORGAN.

RIM FOR MOTOR CAR WHEELS.

APPLICATION FILED MAY 9.191s.

1,804,794. Patented' May 2?, 1919.

UNITED srnrns PATENT enrich.

RALPH I. MORGAN, 0F WORCESTER, MASSACHUSETTS.

an: iron moron-can. WHEELS.

Application filed m 9, 1916. Serial m. 96,419.

To all whom-it may concern:

Be it known that I, RALPH L; MORGAN, a citizen of the United States, residing at Worcester, in the county of Worcester and Commonwealth of Massachusetts, have invented a new and useful Improvement in Rims for Motor-Car Wheels, of which the following is a specification, accompanied by drawings forming a part of the same.

My invention relates particularly to a demountable rim for that class of motor vehicles for carrying heavy loads; and it has for its objects to simplify the construction of this class of wheel rims, by a reduction in the number of parts employed, and further, to provide a more substantial and unyielding support to the demountable rim. These ob]ects, among others, I secure by the construction and arrangement of parts as hereinafter described, and illustrated in the accompanying drawings, in which- Figure 1 represents a side view of a wheel fitted with my improved Fig. 2 is a transverse sectional view of a portion of the rim, the section being shown on the plane of the broken line 22, Fig. 1.

Fig. 3 is a transverse sectional view of a portion of the rim on the plane of the broken ine 3-3, Fig. 1.

Fig. 4 is a sectional view of a portion of the felly rim, the demountable'tire rims having been removed.

imilar reference characters refer to similar parts throughout the difierent views.

Referring to the accompanying drawings, 1, Fig. 1, denotes the felly of the wheel mounted upon the ends of spokes 2 radiating from the hub3. Supported upon the outer periphery of the felly 1 is a felly-rim 4, consisting of an annular metal plate fitting the wheel felly and having its outer surface beveled in opposite directions from its center, as shown at 5, 6. Mounted upon the beveled surfaces 5 and 6 are annular channel plates 7 and 8 forming demountable rims carrying cushion tires 9 and 10. The channel plates 7 and 8 are provided at their upper edges with flanges 11 and 12 adapted to inclose the lower edges of the cushion tires 9 and 10 which are retained in position by the flanges 11, 12, and by a cementin material 13, such for example as vulcanize rubber, inserted'between the cushion tires 9 and 10 and the outer surfaces of the channel plates 7 and 8. The channel lates 7 and 8 are provided with bevel un er ear Specification of Letters Patent.

Patented May 27, 1919.

faces 14, 15, fitting the beveled surfaces 5 and 6 of the rim plate 4, when the channel plates 7 and 8 are placed in position with plates and cutt 1.; the apex of the beveled surfaces'5 and 6 orming a transverse recess 19at the center of the annular rim plate 4. The channel plates 7 and 8 are slipped upon the beveled surfaces of the rim late 4 from opposite sides of the wheel, with the bolt holes in the channel plates in registration with each other. The bolts 18 are then inserted, with the head 20 of the bolt bearing against the outer edge of the channel plate 8, and with a nut 21 applied to the opposite screw threaded end of the bolt 18 and 'bearmg against the outer surface of the channel plate 7. By screwing up the nuts 21 the channel plates are drawn toward each other and u the inclined surface of therim plate 4 unt1l they form a solid bearing thereon.

By the employment of the two channel plates 7 and 8 andv the cushion tires 9 and as is common with the rear of driving wheels of motor vehicles. If desired, however, a single one of the channel plates may be emplayed, in which case the rim plate 4 will e correspondingly narrower, and provided with a single peripheral beveled surface.

I am aware it is not new to employ oppositely beveled tire supporting plates fittlng an oppositely beveled felly-rim late and clamped by a series of spaced be ts, and '1' do. not claim such broadly.

By my present construction I reduce the weight of the tire plates by giving them a slight bevel, making it convenient to apply and remove them from the wheel which 1s a desirable feature in a demountable rim, and I provide clamping surfaces in forming exterior and interior flanges at t e outer ed of the channel plates. By duplicating t e exterior flange at the inner edge of the channel late, I rovide a secure seat for the i. 1. 11 and 12, while the interior flanges 16 and 17 cooperate with the exterior flanges at the outer edges of the channel plates to provide clamping surfaces for the bolts,

I claim:

The combination of an annular felly rim having its outer surface beveled in opposite directions on opposite sides of its center and having a series of spaced notches at the apex of said beveled surfaces, a pair of annular channel plates interiorly beveled to fit the exteriorly beveled surface of the telly rim and applied to said exterior beveled surfaces with an open space between their inner edges, right angled flanges projecting outw wardly from the outer and inner edges of racewasaid channel plates, right angled flanges projectin inwardly from the outer edges of said 0 annel plates and overlapping the rim plate, screw threaded clam ing bolts lying in the notches of the rim p ate, heads carried y one end of said bolts and nuts carried y the opposite ends of said bolts, wid heads and nuts bearing against the flanges at the outer edges of said channel plates, and tires held between the outwardly projecting flanges of said channel plates.

RALPH L. MORGAN.

Witnesses:

Nmmm WHALEN, Pnmnlorn CoMBnRBAoH. 

